87c042de0585d7519cf66358e84776cd9a45eb8383a0d247e4892ceb4f1b4636

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 15:52

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General

Target

3a70975271fabd6039676da9f8fb17df.exe
Size

728KB
MD5

3a70975271fabd6039676da9f8fb17df
SHA1

f8fdeb08fc6937ea0712288d643a8d28bfb37def
SHA256

87c042de0585d7519cf66358e84776cd9a45eb8383a0d247e4892ceb4f1b4636
SHA512

c007009c8ff0192dd7318c895bc8668ca93e151919011561c3eb8e1a0a0087a2e0c3ac069c8c281636d027db85b22fe3d2cd127ad7f0ef74588dfcfdd13e979a
SSDEEP

12288:Oz9/32XvY6CD6zzXGytE0/OJKG+UlIKfJuUKo1nWjhStiSbUccDJIwsrom/:+9vesuzzXGyO0/OJKiICuUKtYcwUccHs

Score

9^/10

collection spyware stealer upx

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4132-35-0x0000000000400000-0x0000000000419000-memory.dmp	MailPassView
behavioral2/memory/4132-34-0x0000000000400000-0x0000000000419000-memory.dmp	MailPassView
behavioral2/memory/4132-32-0x0000000000400000-0x0000000000419000-memory.dmp	MailPassView

Nirsoft 12 IoCs

resource	yara_rule
behavioral2/memory/1104-17-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/1104-20-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/1104-21-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral2/memory/4132-35-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral2/memory/4132-34-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral2/memory/4132-32-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral2/memory/464-48-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral2/memory/464-49-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral2/memory/464-46-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral2/memory/2684-63-0x0000000000400000-0x0000000000412000-memory.dmp	Nirsoft
behavioral2/memory/2684-62-0x0000000000400000-0x0000000000412000-memory.dmp	Nirsoft
behavioral2/memory/2684-60-0x0000000000400000-0x0000000000412000-memory.dmp	Nirsoft

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	3a70975271fabd6039676da9f8fb17df.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5012-65-0x0000000010000000-0x000000001001F000-memory.dmp	upx
behavioral2/memory/5012-67-0x0000000010000000-0x000000001001F000-memory.dmp	upx

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	3a70975271fabd6039676da9f8fb17df.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 set thread context of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 set thread context of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 set thread context of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5012	3a70975271fabd6039676da9f8fb17df.exe
5012	3a70975271fabd6039676da9f8fb17df.exe
1104	3a70975271fabd6039676da9f8fb17df.exe
1104	3a70975271fabd6039676da9f8fb17df.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1104	3a70975271fabd6039676da9f8fb17df.exe
Token: SeDebugPrivilege	2684	3a70975271fabd6039676da9f8fb17df.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 1104	5012	3a70975271fabd6039676da9f8fb17df.exe	19
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 4132	5012	3a70975271fabd6039676da9f8fb17df.exe	36
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 464	5012	3a70975271fabd6039676da9f8fb17df.exe	57
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 2684	5012	3a70975271fabd6039676da9f8fb17df.exe	78
PID 5012 wrote to memory of 4312	5012	3a70975271fabd6039676da9f8fb17df.exe	106
PID 5012 wrote to memory of 4312	5012	3a70975271fabd6039676da9f8fb17df.exe	106
PID 5012 wrote to memory of 4312	5012	3a70975271fabd6039676da9f8fb17df.exe	106

C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe
"C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104
- C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:4132
- C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  PID:464
- C:\Users\Admin\AppData\Local\Temp\3a70975271fabd6039676da9f8fb17df.exe
  /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3A7097~1.EXE >> NUL
  2⤵
  PID:4312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/464-48-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/464-43-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/464-44-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/464-45-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/464-46-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/464-49-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1104-17-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1104-20-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1104-21-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1104-15-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1104-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1104-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2684-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-57-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2684-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4132-35-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4132-32-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4132-30-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4132-29-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4132-31-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4132-34-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/5012-18-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/5012-2-0x0000000000650000-0x0000000000677000-memory.dmp

Filesize
156KB

Download
memory/5012-8-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/5012-3-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/5012-65-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/5012-69-0x0000000010014000-0x000000001001E000-memory.dmp

Filesize
40KB

Download
memory/5012-67-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/5012-72-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/5012-73-0x0000000010014000-0x000000001001E000-memory.dmp

Filesize
40KB

Download